EP 3284907 A3 20180228 - PLATFORM CORE FEED FOR A MULTI-WALL BLADE
Title (en)
PLATFORM CORE FEED FOR A MULTI-WALL BLADE
Title (de)
ZENTRALE PLATTFORMZUFUHR FÜR EINE MEHRWANDIGE SCHAUFEL
Title (fr)
ALIMENTATION CENTRALE DE PLATE-FORME POUR UNE AUBE À PAROIS MULTIPLES
Publication
Application
Priority
US 201615239994 A 20160818
Abstract (en)
[origin: EP3284907A2] A cooling system for a turbomachine blade including a multi-wall blade (6) and a platform (3), including: a cooling circuit (30) for the multi-wall blade (6), the cooling circuit (30) including a central cavity (26) and a plurality of outer cavities (18, 20, 22, 24), wherein the central cavity (26) comprises an intermediate passage of the cooling circuit (30), and wherein a flow of cooling air (32) is fed into the cooling circuit (30) through a first outer cavity of the plurality of outer cavities (18, 20, 22, 24); and a connection (56) for fluidly connecting a second outer cavity of the plurality of outer cavities (18, 20, 22, 24) to a platform core (54) of the platform (3), the flow of cooling air (32) passing through the connection (56) into the platform core (54) of the platform (3).
IPC 8 full level
F01D 5/18 (2006.01)
CPC (source: EP KR US)
F01D 5/186 (2013.01 - KR); F01D 5/187 (2013.01 - EP KR US); F01D 9/041 (2013.01 - US); F01D 25/12 (2013.01 - KR US); F02C 3/04 (2013.01 - US); F02C 7/18 (2013.01 - US); F05D 2220/32 (2013.01 - US); F05D 2240/81 (2013.01 - EP US); F05D 2250/185 (2013.01 - EP US); F05D 2260/201 (2013.01 - EP US); F05D 2260/202 (2013.01 - EP US)
Citation (search report)
- [X] US 2009232660 A1 20090917 - LIANG GEORGE [US]
- [AP] EP 3184739 A1 20170628 - GEN ELECTRIC [US]
- [A] US 5813835 A 19980929 - CORSMEIER ROBERT J [US], et al
- [A] US 2009104042 A1 20090423 - LIANG GEORGE [US]
- [A] US 2005025623 A1 20050203 - BOTREL ERWAN [FR], et al
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3284907 A2 20180221; EP 3284907 A3 20180228; EP 3284907 B1 20200101; JP 2018040348 A 20180315; JP 6997556 B2 20220117; KR 102432493 B1 20220817; KR 20180020893 A 20180228; US 10267162 B2 20190423; US 2018051577 A1 20180222
DOCDB simple family (application)
EP 17186614 A 20170817; JP 2017152850 A 20170808; KR 20170102101 A 20170811; US 201615239994 A 20160818